查询词典 electrochemical

The features of the polarographic wave and the mechanism of electrode reaction were studied using a variety of electrochemical methods.

采用多种电化学方法研究了极谱波的性质和电极反应机理。

According to electrochemical theory, a mathematical equation for polarographic study on a metal complex system is derived.

运用电化学原理，推导出适合于金属络合物体系极谱研究的数学方程。

The conductivity, potentiometric and amperomatric detection are three models of the CE electrochemical detection.

其次对CE电化学检测中应用较少的电导和电势检测器的原理和典型的装置进行了简述。

A stable, water-insoluable film was prepared by oxidative electropolymerization of pyrogallol in pH7.0 phosphate buffer solution, anti modified on a glassy carbon electrode surface by electrochemical method. The modified electrode was exploited for the selective preconcentration of Cu at a certain potential. The preconcentrated Cu was firstly reduced at a certain potential and then was determined by differential pulse stripping voltammetry.

采用电化学方法在pH7.0磷酸缓冲溶液中，将邻苯三酚氧化电聚合制成稳定的水不溶性膜修饰在玻碳电极表面，将制得的膜修饰电极在一定电位下选择性预富集铜，并用差分脉冲溶出伏安法测定。

Electrochemical impendance spectroscopy,ultraviolet spectroscopy,salt fog test,chemical resistance,water proofness and mechanical performances were all employed to study its properties.

采用纳米TiO2、缓蚀剂BTA及助剂等对水性丙烯酸乳液改性，制成铜和铜合金防蚀封护剂。

In this thesis, the advantages and disadvantages of potentiodynamic polarization curve, electrochemical impedance spectroscope and coulostatic method for studying corrosion inhibitors in acidic mediums were compared. And then the effect of three popular acid corrosion inhibitors such as thiourea, dodecylamine and propargyl alcohol on the corrosion inhibition behaviors of Q235 steel in acidic solutions were investigated by these techniques. The anodic desorption behavior and extreme value phenomenon of concentration were surveyed thoroughly as well.

本文讨论了动电位极化曲线、电化学阻抗谱和恒电量测量方法在酸性介质缓蚀剂研究中的优势和不足，在此基础上，研究了硫脲、十二胺和丙炔醇等三种常见酸性介质缓蚀剂对Q235钢在酸性溶液中的缓蚀行为和机理，并深入探讨了缓蚀剂的阳极脱附和浓度极值现象。

The electrochemical results of Q235 steel clearly showed that, dodecylamine restrain corrosion mainly by geometric blocking effect; Thiourea decreased the cathodic current effectively and propargyl alcohol suppressed the anodic reaction instead. Inhibition behaviors of PA at different concentrations were investigated as well.

Q235钢在酸性介质缓蚀剂中的电化学结果表明，十二胺以覆盖效应为主，硫脲则主要抑制Q235钢的阴极过程，而丙炔醇属于以抑制阳极反应为主的缓蚀剂。

Their corrosion inhibition action of stainless steel in hydrofluoric acid is studied by adsorption theory and electrochemical polarization-curve method,the mechanism of corrosion inhibition action is analyzed.the result shows that the single molecule layer of these compounds is adsorbed on the surface of the stainless steel and followed Langmuir isothermal equation. the adsorption procedure of propiolic alcohol is endothermic reaction, the adsorption ability and corrosion inhibition efficiency increased when temperature rised. The adsorption procedure of other three compounds are all exothermic reaction , the adsorption ability and corrosion inhibition efficiency decreased when temperature increased.

实验结果表明：这几种物质在不锈钢表面产生单分子层吸附，并且满足Langmuir吸附规律，丙炔醇的吸附过程为吸热反应，随着温度的升高，吸附能力增强，缓蚀率升高；其它三种化合物的吸附过程均为放热反应，温度升高，吸附能力下降，缓蚀率降低。

A method based on capillary electrophoresis with electrochemical detection has been developed for the separation and determination of epicatechin, kaempferol, chlorogenic acid, 4-hydroxybenzoic acid, quercetin and protocatechuic acid in hawthorn for the first time.

首次采用毛细管电泳—电化学检测法同时测定山楂中的6种活性成分：表儿茶素，山奈酚，氯原酸，4-羟基苯甲酸，槲皮素和原儿茶酸的含量。

In this dissertation, a series of novel multi- ferrocenyl pyridinium salts, with pyridinium cation as electron acceptor and ferrocenyl as electron donor, were designed and synthesized for generating materials possessing interesting optical and electrochemical properties.

本论文的研究目的是设计、合成系列多二茂铁基取代吡啶盐新化合物，并初步探索其光电性能。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。